int VideoStreamTheoraplayer::get_pending_frame_count() const {
if (!clip)
return 0;
if (!frame.empty())
return 1;
TheoraVideoFrame* f = clip->getNextFrame();
if (!f)
return 0;
float w=clip->getWidth(),h=clip->getHeight();
int imgsize = w * h * f->mBpp;
int size = f->getStride() * f->getHeight() * f->mBpp;
DVector<uint8_t> data;
data.resize(imgsize);
DVector<uint8_t>::Write wr = data.write();
uint8_t* ptr = wr.ptr();
copymem(ptr, f->getBuffer(), imgsize);
/*
for (int i=0; i<h; i++) {
int dstofs = i * w * f->mBpp;
int srcofs = i * f->getStride() * f->mBpp;
copymem(ptr + dstofs, f->getBuffer() + dstofs, w * f->mBpp);
};
*/
frame = Image();
frame.create(w, h, 0, f->mBpp == 3 ? Image::FORMAT_RGB : Image::FORMAT_RGBA, data);
clip->popFrame();
return 1;
};
TheoraVideoFrame* TheoraFrameQueue::createFrameInstance(TheoraVideoClip* clip)
{
TheoraVideoFrame* frame = new TheoraVideoFrame(clip);
if (frame->getBuffer() == NULL) // This can happen if you run out of memory
{
delete frame;
return NULL;
}
return frame;
}
void VideoStreamTheoraplayer::pop_frame(Ref<ImageTexture> p_tex) {
if (!clip)
return;
TheoraVideoFrame* f = clip->getNextFrame();
if (!f) {
return;
};
float w=clip->getWidth(),h=clip->getHeight();
int imgsize = w * h * f->mBpp;
int size = f->getStride() * f->getHeight() * f->mBpp;
data.resize(imgsize);
{
DVector<uint8_t>::Write wr = data.write();
uint8_t* ptr = wr.ptr();
copymem(ptr, f->getBuffer(), imgsize);
}
/*
for (int i=0; i<h; i++) {
int dstofs = i * w * f->mBpp;
int srcofs = i * f->getStride() * f->mBpp;
copymem(ptr + dstofs, f->getBuffer() + dstofs, w * f->mBpp);
};
*/
Image frame = Image();
frame.create(w, h, 0, f->mBpp == 3 ? Image::FORMAT_RGB : Image::FORMAT_RGBA, data);
clip->popFrame();
if (p_tex->get_width() == 0) {
p_tex->create(frame.get_width(),frame.get_height(),frame.get_format(),Texture::FLAG_VIDEO_SURFACE|Texture::FLAG_FILTER);
p_tex->set_data(frame);
} else {
p_tex->set_data(frame);
};
};
bool TheoraVideoClip_FFmpeg::decodeNextFrame()
{
TheoraVideoFrame* frame = mFrameQueue->requestEmptyFrame();
if (!frame) return 0;
AVPacket packet;
int frameFinished;
while (av_read_frame(mFormatContext, &packet) >= 0)
{
if (packet.stream_index == mVideoStreamIndex)
{
avcodec_decode_video2(mCodecContext, mFrame, &frameFinished, &packet);
if (frameFinished)
{
TheoraPixelTransform t;
memset(&t, 0, sizeof(TheoraPixelTransform));
t.y = mFrame->data[0]; t.yStride = mFrame->linesize[0];
t.u = mFrame->data[1]; t.uStride = mFrame->linesize[1];
t.v = mFrame->data[2]; t.vStride = mFrame->linesize[2];
frame->decode(&t);
frame->mTimeToDisplay = mFrameNumber / mFPS;
frame->mIteration = mIteration;
frame->_setFrameNumber(mFrameNumber++);
av_free_packet(&packet);
break;
}
}
av_free_packet(&packet);
}
return 1;
}
